Home / 716,272.51-1,074,291.95-210,715.30

Finding the Fourth Proportional to 716,272.51, 1,074,291.95 and 210,715.30

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Solution

The fourth proportional to 716,272.51, 1,074,291.95 and 210,715.30 is: 316,038.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,272.51 : 1,074,291.95 = 210,715.30 : x
  2. Step 2: Convert to fraction form
    716,272.51/1,074,291.95 = 210,715.30/x
  3. Step 3: Cross multiply
    716,272.51x = 1,074,291.95 × 210,715.30
  4. Step 4: Simplify right side
    716,272.51x = 226,369,744,106.80
  5. Step 5: Solve for x
    x = 226,369,744,106.80/716,272.51
  6. Step 6: Final answer
    x = 316,038.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.